Home / 827,693.15-1,241,854.94-288,009.38

Finding the Fourth Proportional to 827,693.15, 1,241,854.94 and 288,009.38

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Solution

The fourth proportional to 827,693.15, 1,241,854.94 and 288,009.38 is: 432,123.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,693.15 : 1,241,854.94 = 288,009.38 : x
  2. Step 2: Convert to fraction form
    827,693.15/1,241,854.94 = 288,009.38/x
  3. Step 3: Cross multiply
    827,693.15x = 1,241,854.94 × 288,009.38
  4. Step 4: Simplify right side
    827,693.15x = 357,665,875,144.00
  5. Step 5: Solve for x
    x = 357,665,875,144.00/827,693.15
  6. Step 6: Final answer
    x = 432,123.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.